6845652129 has 4 divisors (see below), whose sum is σ = 9127536176. Its totient is φ = 4563768084.

The previous prime is 6845652119. The next prime is 6845652133. The reversal of 6845652129 is 9212565486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6845652129 - 2⁷ = 6845652001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6845652119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140942019 + ... + 1140942024.

It is an arithmetic number, because the mean of its divisors is an integer number (2281884044).

Almost surely, 2^6845652129 is an apocalyptic number.

It is an amenable number.

6845652129 is a deficient number, since it is larger than the sum of its proper divisors (2281884047).

6845652129 is a wasteful number, since it uses less digits than its factorization.

6845652129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281884046.

The product of its digits is 1036800, while the sum is 48.

The square root of 6845652129 is about 82738.4561676129. The cubic root of 6845652129 is about 1898.7667092466.

The spelling of 6845652129 in words is "six billion, eight hundred forty-five million, six hundred fifty-two thousand, one hundred twenty-nine".